diff options
| author | Jeff Cody <jcody@redhat.com> | 2017-04-07 16:55:25 -0400 |
|---|---|---|
| committer | Jeff Cody <jcody@redhat.com> | 2017-04-24 15:09:33 -0400 |
| commit | fe5241bfe3fb61ec3f589ceacd91c1469bfd400f (patch) | |
| tree | fd9eda9a967d8a2a0a0c0c0c8217bf88ab3eaff3 | |
| parent | a98f49f46abb2034277633405479a4ab790c381e (diff) | |
block: add bdrv_set_read_only() helper function
We have a helper wrapper for checking for the BDS read_only flag,
add a helper wrapper to set the read_only flag as well.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 9b18972d05f5fa2ac16c014f0af98d680553048d.1491597120.git.jcody@redhat.com
| -rw-r--r-- | block.c | 5 | ||||
| -rw-r--r-- | block/bochs.c | 2 | ||||
| -rw-r--r-- | block/cloop.c | 2 | ||||
| -rw-r--r-- | block/dmg.c | 2 | ||||
| -rw-r--r-- | block/rbd.c | 2 | ||||
| -rw-r--r-- | block/vvfat.c | 4 | ||||
| -rw-r--r-- | include/block/block.h | 1 |
7 files changed, 12 insertions, 6 deletions
@@ -192,6 +192,11 @@ void path_combine(char *dest, int dest_size, } } +void bdrv_set_read_only(BlockDriverState *bs, bool read_only) +{ + bs->read_only = read_only; +} + void bdrv_get_full_backing_filename_from_filename(const char *backed, const char *backing, char *dest, size_t sz, diff --git a/block/bochs.c b/block/bochs.c index 516da56c3b..bdc28316e7 100644 --- a/block/bochs.c +++ b/block/bochs.c @@ -110,7 +110,7 @@ static int bochs_open(BlockDriverState *bs, QDict *options, int flags, return -EINVAL; } - bs->read_only = true; /* no write support yet */ + bdrv_set_read_only(bs, true); /* no write support yet */ ret = bdrv_pread(bs->file, 0, &bochs, sizeof(bochs)); if (ret < 0) { diff --git a/block/cloop.c b/block/cloop.c index a6c7b9dbe6..11f17c8489 100644 --- a/block/cloop.c +++ b/block/cloop.c @@ -72,7 +72,7 @@ static int cloop_open(BlockDriverState *bs, QDict *options, int flags, return -EINVAL; } - bs->read_only = true; + bdrv_set_read_only(bs, true); /* read header */ ret = bdrv_pread(bs->file, 128, &s->block_size, 4); diff --git a/block/dmg.c b/block/dmg.c index a7d25fc47b..27ce4a62d1 100644 --- a/block/dmg.c +++ b/block/dmg.c @@ -420,7 +420,7 @@ static int dmg_open(BlockDriverState *bs, QDict *options, int flags, } block_module_load_one("dmg-bz2"); - bs->read_only = true; + bdrv_set_read_only(bs, true); s->n_chunks = 0; s->offsets = s->lengths = s->sectors = s->sectorcounts = NULL; diff --git a/block/rbd.c b/block/rbd.c index 1ceeeb5a60..6ad2904d78 100644 --- a/block/rbd.c +++ b/block/rbd.c @@ -641,7 +641,7 @@ static int qemu_rbd_open(BlockDriverState *bs, QDict *options, int flags, goto failed_open; } - bs->read_only = (s->snap != NULL); + bdrv_set_read_only(bs, (s->snap != NULL)); qemu_opts_del(opts); return 0; diff --git a/block/vvfat.c b/block/vvfat.c index af5153d27d..d4ce6d7092 100644 --- a/block/vvfat.c +++ b/block/vvfat.c @@ -1157,7 +1157,7 @@ static int vvfat_open(BlockDriverState *bs, QDict *options, int flags, s->current_cluster=0xffffffff; /* read only is the default for safety */ - bs->read_only = true; + bdrv_set_read_only(bs, true); s->qcow = NULL; s->qcow_filename = NULL; s->fat2 = NULL; @@ -1173,7 +1173,7 @@ static int vvfat_open(BlockDriverState *bs, QDict *options, int flags, if (ret < 0) { goto fail; } - bs->read_only = false; + bdrv_set_read_only(bs, false); } bs->total_sectors = cyls * heads * secs; diff --git a/include/block/block.h b/include/block/block.h index 466de49b48..99d49f2d66 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -434,6 +434,7 @@ int bdrv_is_allocated_above(BlockDriverState *top, BlockDriverState *base, int64_t sector_num, int nb_sectors, int *pnum); bool bdrv_is_read_only(BlockDriverState *bs); +void bdrv_set_read_only(BlockDriverState *bs, bool read_only); bool bdrv_is_sg(BlockDriverState *bs); bool bdrv_is_inserted(BlockDriverState *bs); int bdrv_media_changed(BlockDriverState *bs); |